Home / 31,069.14-42,875.46-16,922.04

Finding the Fourth Proportional to 31,069.14, 42,875.46 and 16,922.04

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Solution

The fourth proportional to 31,069.14, 42,875.46 and 16,922.04 is: 23,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.14 : 42,875.46 = 16,922.04 : x
  2. Step 2: Convert to fraction form
    31,069.14/42,875.46 = 16,922.04/x
  3. Step 3: Cross multiply
    31,069.14x = 42,875.46 × 16,922.04
  4. Step 4: Simplify right side
    31,069.14x = 725,540,249.14
  5. Step 5: Solve for x
    x = 725,540,249.14/31,069.14
  6. Step 6: Final answer
    x = 23,352.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.